CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Total revenues	$ 163,148	$ 102,823	$ 309,823	$ 201,825
Cost of revenues	47,178	34,433	88,265	68,164
Gross profit	115,970	68,390	221,558	133,661
Operating expenses:
Research and development	62,576	49,506	120,694	97,843
Sales and marketing	23,366	18,723	45,924	38,002
General and administrative	10,670	9,461	20,371	17,676
Total operating expenses	96,612	77,690	186,989	153,521
Income (loss) from operations	19,358	(9,300)	34,569	(19,860)
Other income (loss), net (Note 11)	912	357	(1,557)	591
Income (loss) before taxes	20,270	(8,943)	33,012	(19,269)
Provision for taxes on income	(1,022)	76	(3,268)	(578)
Net income (loss)	$ 19,248	$ (8,867)	$ 29,744	$ (19,847)
Net income (loss) per share - basic (in dollars per share)	$ 0.42	$ (0.20)	$ 0.65	$ (0.45)
Net income (loss) per share - diluted (in dollars per share)	$ 0.40	$ (0.20)	$ 0.63	$ (0.45)
Shares used in per share calculation:
Basic (in shares)	46,191	44,671	45,943	44,475
Diluted (in shares)	47,568	44,671	47,341	44,475
As revised
Total revenues		$ 102,823		$ 201,825
Cost of revenues		34,433		68,164
Gross profit		68,390		133,661
Operating expenses:
Research and development		49,506		97,843
Sales and marketing		18,723		38,002
General and administrative		9,461		17,676
Total operating expenses		77,690		153,521
Income (loss) from operations		(9,300)		(19,860)
Other income (loss), net (Note 11)		357		591
Income (loss) before taxes		(8,943)		(19,269)
Provision for taxes on income		(76)		578
Net income (loss)		$ (8,867)		$ (19,847)
Net income (loss) per share - basic (in dollars per share)		$ (0.20)		$ (0.45)
Net income (loss) per share - diluted (in dollars per share)		$ (0.20)		$ (0.45)